ELECTRIC VEHICLES | WIRE AND CABLE
Right:
Silicones and fluoropolymers are likely to find application in new EV cable applications
There are some other important facts to keep in
mind, one of these being the energy transition due to decarbonisation. The generation of renewable energy is being accelerated, along with the transmis- sion and distribution of more sustainable technolo- gies. In this sense, the presence of a network of Electricity Storage Systems (ESS) with photovoltaic modules in electric vehicle charging stations will help solve the problem of generation imbalances.
What does electromobility mean for cable compound producers? Hybrid and electric cars require new types of cables, such as battery and charger cables, but also new materials to withstand higher temperatures and other special features. And self-driving technologies — in other words computers on wheels — leads to an increase in precision electronics in the car and therefore renewed wiring needs. New generations of cable products are required and new master- batches with special polymers are necessary. We are talking about thermoplastic polyure- thane (TPU) coated charging cables with halogen- free compounds and flame retardant polyolefin insulation. Demands include light resistance, thermal stability, weather resistance, hydrolytic resistance, colour stability, abrasion resistance and mechanical resistance. Companies not only need to create quality
Eric Xirinachs is CEO of Spanish masterbatch producer Delta Tecnic. The company, owned by Aurica Capital since 2017, has production locations at Barcelona in Spain and Querétaro in Mexico. It is a key supplier of colour masterbatch to the automotive cable industry, operating 22 lines with a total capacity of around 18,000 tonnes. �
www.deltatecnic.com
products that are competitive, but also need to optimise their manufacturing and assembly processes, making them faster, more reliable and more efficient. In cable production, there is a trend to produce faster, to reduce the thickness of insulation, and to reduce the length of extruders. To do this without compromising the final results requires perfect dispersion and excellent dilution.
What do you forecast in compound material trends? Companies will focus on more technical materials to insulate automotive wiring. In this regard, fluoro- polymers, in the form of thermoplastics and elasto- mers, will find wide use in automotive applications due to their combination of high resistance to fuels, lubricants and elevated temperatures. Silicones are also highly in-demand compounds
and are useful in various types of automotive cables, such as batteries or lighting and high-de- mand wiring. Silicones allow working with a constant dielectric and with dielectric properties of dimensional stability from -80 °C to 250 °C. In addition, they are resistant to vibration and fire; they produce low smoke emissions, and emit non-corrosive, non-toxic combustion gases.
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IMAGE: DELTA TECNIC
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